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Testicular cancer

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https://www.readbyqxmd.com/read/28454378/prognostic-value-of-intratumoral-carbonic-anhydrase-ix-expression-in-testicular-germ-cell-tumors
#1
Katarina Kalavska, Zuzana Cierna, Michal Chovanec, Martina Takacova, Daniela Svetlovska, Viera Miskovska, Jana Obertova, Patrik Palacka, Jan Rajec, Zuzana Sycova-Mila, Katarina Machalekova, Karol Kajo, Stanislav Spanik, Jozef Mardiak, Pavel Babal, Silvia Pastorekova, Michal Mego
Testicular germ cell tumors (TGCTs) represent a highly curable malignancy, however a small proportion of patients fails to be cured with cisplatin-based chemotherapy. Carbonic anhydrase IX (CA IX) is upregulated by hypoxia in several cancer types and correlates with a poor prognosis. The present translational study evaluated expression and prognostic value of CA IX in TGCTs. Surgical specimens from 228 patients with TGCTs were processed by the tissue microarray method and subjected to immunohistochemistry with the M75 monoclonal antibody...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28448657/association-between-slc16a5-genetic-variation-and-cisplatin-induced-ototoxic-effects-in-adult-patients-with-testicular-cancer
#2
Britt I Drögemöller, Jose G Monzon, Amit P Bhavsar, Adrienne E Borrie, Beth Brooks, Galen E B Wright, Geoffrey Liu, Daniel J Renouf, Christian K Kollmannsberger, Philippe L Bedard, Folefac Aminkeng, Ursula Amstutz, Claudette A Hildebrand, Erandika P Gunaretnam, Carol Critchley, Zhuo Chen, Liam R Brunham, Michael R Hayden, Colin J D Ross, Karen A Gelmon, Bruce C Carleton
Importance: Cisplatin-induced ototoxic effects are an important complication that affects testicular cancer survivors as a consequence of treatment. The identification of genetic variants associated with this adverse drug reaction will further our mechanistic understanding of its development and potentially lead to strategies to prevent ototoxic effects. Objective: To identify the genetic variants associated with cisplatin-induced ototoxic effects in adult testicular cancer patients...
April 27, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28447668/functional-characterization-of-a-multi-cancer-risk-locus-on-chr5p15-33-reveals-regulation-of-tert-by-znf148
#3
Jun Fang, Jinping Jia, Matthew Makowski, Mai Xu, Zhaoming Wang, Tongwu Zhang, Jason W Hoskins, Jiyeon Choi, Younghun Han, Mingfeng Zhang, Janelle Thomas, Michael Kovacs, Irene Collins, Marta Dzyadyk, Abbey Thompson, Maura O'Neill, Sudipto Das, Qi Lan, Roelof Koster, Rachael S Stolzenberg-Solomon, Peter Kraft, Brian M Wolpin, Pascal W T C Jansen, Sara Olson, Katherine A McGlynn, Peter A Kanetsky, Nilanjan Chatterjee, Jennifer H Barrett, Alison M Dunning, John C Taylor, Julia A Newton-Bishop, D Timothy Bishop, Thorkell Andresson, Gloria M Petersen, Christopher I Amos, Mark M Iles, Katherine L Nathanson, Maria Teresa Landi, Michiel Vermeulen, Kevin M Brown, Laufey T Amundadottir
Genome wide association studies (GWAS) have mapped multiple independent cancer susceptibility loci to chr5p15.33. Here, we show that fine-mapping of pancreatic and testicular cancer GWAS within one of these loci (Region 2 in CLPTM1L) focuses the signal to nine highly correlated SNPs. Of these, rs36115365-C associated with increased pancreatic and testicular but decreased lung cancer and melanoma risk, and exhibited preferred protein-binding and enhanced regulatory activity. Transcriptional gene silencing of this regulatory element repressed TERT expression in an allele-specific manner...
May 2, 2017: Nature Communications
https://www.readbyqxmd.com/read/28441828/-clinical-analysis-of-seven-cases-of-pulmonary-malignant-tumors-in-children
#4
D Xu, Z M Chen, W Z Gu, Y S Wang, M X Huang, L F Tang, Y Y Zhang, Y Jiang
Objective: To understand the clinical manifestation, imaging characteristics and outcomes of pulmonary malignant tumors in children. Method: We retrospectively collected information about seven cases of pulmonary malignant tumors in children in our hospital from Jan 2010 to Dec 2016. The information included clinical manifestation, imaging characteristics, pathologic results, and treatment. Result: (1) All the seven patients firstly visited pediatric internal medicine departments. Symptoms included cough (n=6), dyspnea (n=4), fever (n=2), anorexia (n=2), chest tightness (n=1), chest pain (n=1), lameness (n=1), abdominal distension and constipation (n=1)...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28439153/supraclavicular-metastases-from-distant-primary-solid-tumours-a-retrospective-study-of-41%C3%A2-years
#5
Keyvan Sagheb, Asina Manz, Stefan B Albrich, Katherine J Taylor, Georg Hess, Christian Walter
OBJECTIVES: Approximately 1 % of all malignant solid tumours of the head and neck area are metastases from primary tumours beneath the clavicles. The aim of this study was to analyse the distribution of primary tumours since meta-analyses might have been biased due to the usually extraordinary character of case reports. MATERIALS AND METHODS: All patient files from 1970 to 2012 from the Oral and Maxillofacial Surgery unit at a University Hospital were analysed regarding the existence of metastases to the head and neck area from distant primaries...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28435402/synchronous-bilateral-testis-cancer-clinical-and-oncological-management
#6
Davide Campobasso, Stefania Ferretti, Antonio Frattini
Synchronous bilateral testis cancer (SBTC) is a rare event. It represents only 0.5-1% of all new cases of testicular cancer. Patients with this disease require careful management for psychological, oncological, and medical problems. We performed a PubMed search for all series that reported SBTC. We considered only articles in English, reporting on more than three cases. We also performed an analysis of the reported evidence regarding testosterone replacement and surgical treatment. We found 10 studies satisfying inclusion criteria for a total of 73 patients...
2017: Contemporary Oncology Współczesna Onkologia
https://www.readbyqxmd.com/read/28432399/-when-is-surgical-resection-of-metastases-in-testicular-germ-cell-tumors-indicated-and-is-there-a-scientific-basis
#7
A Heidenreich, P Paffenholz, F Haidl, D Pfister
Surgical resection of metastases represents an integral part of curative management in patients with testicular germ cell tumors (GCT). Primary nerve-sparing retroperitoneal lymph node dissection (nsRPLND) for low volume metastases in clinical stages I-IIB has to be differentiated from the more complex and more extensive postchemotherapeutic procedures. In Europe, primary nerve-sparing retroperitoneal lymph node dissection (nsRPLND) for clinical stage I nonseminomatous GCT (NSGCT) plays a subordinate. In clinical stage IIA/B, nsRPLND is indicated for patients with marker-negative metastases in whom cure rates of about 65% can be achieved with surgery alone...
April 21, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28429112/testicular-cancer-patients-undergoing-cisplatin-based-chemotherapy-exhibit-temporary-olfactory-threshold-scores-changes
#8
Ute Walliczek-Dworschak, Volker Gudziol, Claudia Mitzschke, Michael Froehner, Thomas Hummel
Testicular cancer is the most frequent malignant disease in young males between 15 and 35 years. Platinum based chemotherapy regimen is the therapy of choice in advanced disease. This treatment has also adverse effects caused by the cytostatic active substances, such as olfactory dysfunctions. The aim of this study was, therefore, to monitor olfactory function of testicular cancer patients during and 6 months after chemotherapy. A total of 17 patients (mean age 31.06 ± 10.26 years), which underwent chemotherapy (mean 2...
April 20, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28428886/vaccination-with-inhibin-%C3%AE-provides-effective-immunotherapy-against-testicular-stromal-cell-tumors
#9
Robert Aguilar, Justin M Johnson, Patrick Barrett, Vincent K Tuohy
BACKGROUND: Testicular cancer is the most common male neoplasm occurring in men between the ages of 20 and 34. Although germ-line testicular tumors respond favorably to current standard of care, testicular stromal cell (TSC) tumors derived from Sertoli cells or Leydig cells often fail to respond to chemotherapy or radiation therapy and have a 5-year overall survival significantly lower than the more common and more treatable germ line testicular tumors. METHODS: To improve outcomes for TSC cancer, we have developed a therapeutic vaccine targeting inhibin-α, a protein produced by normal Sertoli and Leydig cells of the testes and expressed in the majority of TSC tumors...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28428185/investments-in-cancer-research-awarded-to-uk-institutions-and-the-global-burden-of-cancer-2000-2013-a-systematic-analysis
#10
Mahiben Maruthappu, Michael G Head, Charlie D Zhou, Barnabas J Gilbert, Majd A El-Harasis, Rosalind Raine, Joseph R Fitchett, Rifat Atun
OBJECTIVES: To systematically categorise cancer research investment awarded to United Kingdom (UK) institutions in the period 2000-2013 and to estimate research investment relative to disease burden as measured by mortality, disability-adjusted life years (DALYs) and years lived with disability (YLDs). DESIGN: Systematic analysis of all open-access data. SETTING AND PARTICIPANTS: Public and philanthropic funding to all UK cancer research institutions, 2000-2013...
April 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28426398/k-ras-and-n-ras-mutations-in-testicular-germ-cell-tumors
#11
Bekir Muhammet Hacioglu, Hilmi Kodaz, Bulent Erdogan, Ahmet Cinkaya, Ebru Tastekin, Ilhan Hacibekiroglu, Esma Turkmen, Osman Kostek, Ezgi Genc, Sernaz Uzunoglu, Irfan Cicin
Testicular cancer is a relatively rare tumor type, accounting for approximately 1% of all cancers in men. However, among men aged between 15 and 40 years, testicular cancer is the most commonly diagnosed malignancy. Testicular germ cell tumors (TGCTs) are classified as seminoma and non-seminoma. The RAS oncogene controls several cellular functions, including cell proliferation, apoptosis, migration, and differentiation. Thus, RAS signaling is important for normal germ cell development. Mutations of the Kirsten RAS (K-RAS) gene are present in over 20% of all cancers...
April 20, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28423520/prognostic-role-of-programmed-death-ligand-1-pd-l1-expressing-tumor-infiltrating-lymphocytes-in-testicular-germ-cell-tumors
#12
Michal Chovanec, Zuzana Cierna, Viera Miskovska, Katarina Machalekova, Daniela Svetlovska, Katarina Kalavska, Katarina Rejlekova, Stanislav Spanik, Karol Kajo, Pavel Babal, Jozef Mardiak, Michal Mego
PURPOSE: Testicular germ cell tumors (TGCTs) are nearly universally curable malignancies. Nevertheless, standard cisplatin-based chemotherapy is not curative in a small subgroup of patients. Previously, we showed that PD-L1 overexpression is associated with worse prognosis in TGCTs, while tumor infiltrating lymphocytes (TILs) are prognostic in different types of cancer. This study aimed to evaluate the prognostic value of PD-1 and PD-L1 expressing TILs in TGCTs. RESULTS: PD-L1 positive TILs were found significantly more often in seminomas (95...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416275/cisplatin-analogs-confer-protection-against-cyanide-poisoning
#13
Anjali K Nath, Xu Shi, Devin L Harrison, Jordan E Morningstar, Sari Mahon, Adriano Chan, Patrick Sips, Jangwoen Lee, Calum A MacRae, Gerry R Boss, Matthew Brenner, Robert E Gerszten, Randall T Peterson
Cisplatin holds an illustrious position in the history of chemistry most notably for its role in the virtual cure of testicular cancer. Here we describe a role for this small molecule in cyanide detoxification in vivo. Cyanide kills organisms as diverse as insects, fish, and humans within seconds to hours. Current antidotes exhibit limited efficacy and are not amenable to mass distribution requiring the development of new classes of antidotes. The binding affinity of the cyanide anion for the positively charged metal platinum is known to create an extremely stable complex in vitro...
April 7, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28414684/who-shot-the-cannonballs-extensive-lung-metastases-in-a-39-year-old-man
#14
D Sommerhalder, J Blondin
CASE: A 39 year-old man presented to the emergency department complaining of a cough of 2 months in duration. He also complained of weight loss of 20 pounds in two months and night sweats over the same period. An x-ray of the chest was performed and revealed innumerable lung nodules and masses. Computed tomography of the chest and abdomen were subsequently performed which confirmed the masses, but imaging did not reveal an obvious primary source. A testicular exam was performed but no obvious abnormalities were noted...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28403741/impact-of-acrylamide-on-calcium-signaling-and-cytoskeletal-filaments-in-testes-from-f344-rat
#15
Leslie Recio, Marvin Friedman, Dennis Marroni, Timothy Maynor, Nikolai L Chepelev
Acrylamide (AA) at high exposure levels is neurotoxic, induces testicular toxicity, and increases dominant lethal mutations in rats. RNA-sequencing in testes was used to identify differentially expressed genes (DEG), explore AA-induced pathway perturbations that could contribute to AA-induced testicular toxicity and then used to derive a benchmark dose (BMD). Male F344/DuCrl rats were administered 0.0, 0.5, 1.5, 3.0, 6.0, or 12.0 mg AA/kg bw/d in drinking water for 5, 15, or 31 days. The experimental design used exposure levels that spanned and exceeded the exposure levels used in the rat dominant lethal, 2-generation reproductive toxicology, and cancer bioassays...
March 2017: International Journal of Toxicology
https://www.readbyqxmd.com/read/28397369/incidental-primary-mediastinal-choriocarcinoma-diagnosed-by-endobronchial-ultrasound-guided-fine-needle-aspiration-in-a-patient-presenting-with-transient-ischemic-attack-and-stroke
#16
Ivo M B Francischetti, Antonio Cajigas, Mark Suhrland, Joaquim M Farinhas, Samer Khader
We describe a case of a 41-year old male patient with no significant prior medical history who presents with symptoms of Transient Ischemic Attack and stroke. Magnetic Resonance Imaging (MRI) of the brain identified areas of ischemia in the left side, and angiography showed occlusion of the left Medial Cerebral Artery (MCA). Cardiac Transthoracic Echocardiogram (TTE) for stroke evaluation incidentally noted a mediastinal abnormality leading to cancer work-up. Computer Tomography (CT) and (18) F-fluorodeoxyglucose (FDG) PET-CT scan of the chest incidentally revealed an avid 6 cm paraesophagial/subcarinal mass...
April 11, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28396065/-granulomatous-slack-skin-associated-with-metastatic-testicular-seminoma
#17
D Carton de Tournai, L Deschamps, P Laly, C Zeboulon, J-D Bouaziz, C Ram-Wolff, J-M Doumecq-Lacoste, N Ortonne, J Rivet, M Battistella, M Bagot
BACKGROUND: Granulomatous slack skin (GSS) is an extremely rare subtype of T-cell lymphoma, a variant of mycosis fungoides (MF). Herein, we describe the first reported case of GSS associated with metastatic testicular seminoma. PATIENTS AND METHODS: A 28-year-old male patient presented with circumscribed erythematous loose skin masses, especially in the body folds and which had been relapsing for 4years. Skin biopsy showed a loss of elastic fibers and an atypical granulomatous T-cell infiltrate with epidermotropism, enabling a diagnosis of GSS to be made...
April 7, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28394519/-genetic-risk-factors-for-sporadic-germ-cell-testicular-tumors
#18
M V Nemtsova, E V Ivkin, A A Tryakin, V V Rudenko, I S Dantsev, S A Tyulyandin, O B Loran
INTRODUCTION: Approximately 95% of all testicular cancers are testicular germ cell tumors (GCTTs), represented by seminoma and nonseminoma germ cell testicular cancer. There is a hypothesis that the formation of GCTTs begins in early embryogenesis being a part of testicular dysgenesis syndrome (TDS). AIM: To determine the role of genetic factors in the development of GCTTs. MATERIALS AND METHODS: We studied the frequency of alleles and genotypes KITLG (rs995030, rs1508595), SPRY4 (rs4624820, rs6897876) and BAK1 (rs210138) in 97 fertile men (control), and 73 patients with GCTTs (34 seminoma and 39 nonseminoma)...
April 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28392934/evaluation-of-a-web-based-weight-loss-intervention-in-overweight-cancer-survivors-aged-50%C3%A2-years-and-younger
#19
S M Lynch, C T Stricker, J C Brown, J M Berardi, D Vaughn, S Domchek, S Filseth, A Branas, E Weiss-Trainor, K H Schmitz, D B Sarwer
PURPOSE: Half of adult cancer survivors under age 50 years are obese. Excess body weight is associated with cancer recurrence, and effective weight loss interventions for younger cancer survivors are needed. Commercially available, online weight loss programmes are readily accessible, but few have been studied in this population. This study employed a single-arm, pre-post intervention (baseline-6 month/baseline-12 month comparisons) to preliminarily explore feasibility, efficacy and safety of an online, commercially available weight loss programme in breast (n = 30) and testicular (n = 16) cancer survivors under age 50 years...
March 2017: Obesity Science & Practice
https://www.readbyqxmd.com/read/28389909/dynamics-of-hormonal-disorders-following-unilateral-orchiectomy-for-a-testicular-tumor
#20
Paweł J Wiechno, Maria Kowalska, Jakub Kucharz, Małgorzata Sadowska, Wojciech Michalski, Grażyna Poniatowska, Joanna Jońska-Gmyrek, Joanna Rzymkowska, Karol Nietupski, Tomasz Demkow
Testicular tumors and their treatment interfere with homeostasis, hormonal status included. The aim of the study was to evaluate hormonal disorders of the pituitary-gonadal axis in men treated for testicular tumors. One hundred twenty-eight men treated for a unilateral testicular tumor at our institution were included. The hormonal status was prospectively evaluated in 62 patients before orchiectomy, 120 patients 1 month after orchiectomy and 110 patients at least 1 year after the treatment. The concentrations of human chorionic gonadotropin (hCG), testosterone (T), estradiol, luteinizing hormone (LH), follicle-stimulating hormone (FSH) and prolactin were measured...
May 2017: Medical Oncology
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